Effect of Intraoperative Dexamethasone on Early Postoperative Sleep Quality in Patients Undergoing Nasal Surgery

Inclusion Criteria: * Adults aged 19 years or older undergoing nasal surgery. Exclusion Criteria: * Patients who do not provide informed consent * Patients with neurological disease or cognitive impairment that may interfere with questionnaire completion * Patients with pre-existing sleep disorders or those taking sleep medications * Patients receiving chronic corticosteroid therapy * Known hypersensitivity to dexamethasone * Patients with glaucoma * Patients with poorly controlled diabetes mellitus (HbA1c \> 8.0%) * Patients with peptic ulcer disease * Pregnant or breastfeeding women * Patients deemed unsuitable for the study by the investigator (e.g., those requiring postoperative steroid administration for clinical reasons)